Fluorescence In-situ Hybridization (FISH)

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A laboratory technique, used in preimplantation genetic diagnosis, to distinguish abnormal cells taken from a human embryo. FISH uses probes – small pieces of DNA that are “labeled” with a fluorescent dye. When applied to the cell being studied, the probes attach to matching chromosomes, showing the geneticist whether the cell has an unbalanced make-up, indicating a genetic abnormality. Embryos with certain identifiable chromosomal abnormalities that may prevent implantation, contribute to pregnancy loss or result in a child born with a genetic disease are not transferred into the female during in vitro fertilization.

By | 2015-08-10T19:25:38+00:00 August 10th, 2015|Comments Off on Fluorescence In-situ Hybridization (FISH)

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